formtools.org Form Tools Setting code injection

A vulnerability, which was classified as problematic, has been found in formtools.org Form Tools 3.1.1. This issue affects some unknown processing of the file /admin/settings/index.php?page=accounts of the component Setting Handler. The manipulation of the argument Page Theme leads to code injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-271991. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.